Fresh doubts have been raised over the online security of high street retailer Argos, following a PC Pro investigation. Yesterday, we revealed that Argos was sending customers' unencrypted credit-card numbers and security codes in order confirmation emails, potentially exposing them to online fraud. Now it's emerged that those very same confirmation emails contain a web link - ironically intended to direct customers to Argos's security page - which contains the customer's full name, address and credit-card details in the URL itself.

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